CN212315952U

CN212315952U - Integrated production line for fine sand making and dry powder mortar

Info

Publication number: CN212315952U
Application number: CN202021263082.6U
Authority: CN
Inventors: 齐兴泽; 郑玉杰; 王日东; 李延飞
Original assignee: Liaoning Hainuo Heavy Industry Co ltd
Current assignee: Liaoning Hainuo Heavy Industry Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-01-08
Anticipated expiration: 2030-07-01

Abstract

The utility model relates to a fine sand making and dry powder mortar integrated production line, which comprises a sand making building and a dry powder mortar station; the raw material aggregate bin is connected with inlets of the grading sand making machine and the grain type optimizing machine, materials in the raw material aggregate bin are processed by the grading sand making machine and the grain type optimizing machine and then are sent to a vibrating screen by a semi-finished product bucket elevator, and the vibrating screen is connected with inlets of the winnowing device, the grading sand making machine and the grain type optimizing machine through conveying pipelines; the vibrating screen is connected with the stone powder separator, an outlet of the stone powder separator and an outlet of the winnowing device are connected with the dry sand storage bin through the sand finished product bucket elevator I, and the stone powder separator is connected with the stone powder storage bin; the stone powder storage bin is connected with the stone powder bin, and materials in the dry sand storage bin are put into the dry sand temporary storage bin through a sand finished product bucket elevator II; and putting the mixture into a stirrer, and conveying the mixture into a dry powder finished product bin for storage through a dry powder mortar finished product bucket elevator. The advantages are that: the utility model adopts the integrated design, occupies small area and has compact and reasonable process arrangement.

Description

Integrated production line for fine sand making and dry powder mortar

Technical Field

The utility model relates to a fine work system sand, dry powder mortar integration production line.

Background

River sand for construction engineering is in increasing shortage or exhaustion in China, and the popularization of machine-made sand becomes a trend. The dry powder mortar is a granular or powdery material which is formed by physically mixing dry and screened aggregate (such as quartz sand), an inorganic cementing material (such as cement), an additive and the like according to a certain proportion, is transported to a construction site in a bag or bulk form, and can be directly used after being mixed with water. The fine-quality mechanism sand which meets the requirements of fineness modulus, gradation and the like is produced by the fine-quality mechanism sand line according to the requirements, then the fine-quality mechanism sand is transported to a dry powder mortar station, the fine-quality mechanism sand which meets the requirements is graded by a probability sieve, shown in figure 1, and is respectively loaded into respective bins, and the fine-quality mechanism sand is measured and conveyed to a stirrer according to the proportion to be stirred to prepare the dry powder mortar. The process has the advantages of more used equipment, large floor area and longer conveying line in the production process, increases the production cost of the whole production system and reduces the production efficiency.

Disclosure of Invention

For overcoming the deficiencies of the prior art, the utility model aims at providing a fine work system sand, dry powder mortar integration production line reduces the overall area of equipment, and equipment arrangement is compact, reasonable, improves production efficiency, reduction in production cost.

In order to achieve the above object, the utility model discloses a following technical scheme realizes:

an integrated production line for fine sand making and dry powder mortar comprises a sand making building and a dry powder mortar station;

the sand making building comprises a stone powder storage bin, a semi-finished product bucket elevator, a grading sand making machine, a grain shape optimizing machine, a vibrating screen, a raw material aggregate bin, a winnowing device, a stone powder separator, a sand finished product bucket elevator I and a dry sand storage bin;

the dry powder mortar station comprises a sand finished product bucket elevator II, a dry powder mortar finished product bucket elevator, a stirrer, a dry sand temporary storage bin, a cement bin, a fly ash bin and a stone powder bin;

the raw material aggregate bin is connected with inlets of the grading sand making machine and the grain type optimizing machine, materials in the raw material aggregate bin are processed by the grading sand making machine and the grain type optimizing machine and then are sent to a vibrating screen by a semi-finished product bucket elevator, and the vibrating screen is connected with inlets of the winnowing device, the grading sand making machine and the grain type optimizing machine through conveying pipelines; the vibrating screen is connected with the stone powder separator, an outlet of the stone powder separator and an outlet of the winnowing device are connected with the dry sand storage bin through the sand finished product bucket elevator I, and the stone powder separator is connected with the stone powder storage bin; the stone powder storage bin is connected with the stone powder bin, and materials in the dry sand storage bin can be put into the dry sand temporary storage bin through a sand finished product bucket elevator II;

materials in the dry sand temporary storage bin, the cement bin, the fly ash bin and the stone powder bin can be put into a stirrer after being metered; the finished product dry-mixed mortar treated by the stirrer is bulk-packed and bagged through a pneumatic distribution valve and enters a dry-mixed finished product bin for storage through a dry-mixed mortar finished product bucket elevator.

And the conveying pipelines connected with the inlets of the vibrating screen, the grading sand making machine, the grain type optimizing machine and the winnowing device are provided with valves.

Compared with the prior art, the beneficial effects of the utility model are that:

the integrated production line for fine sand making and dry powder mortar adopts an integrated design, and has the advantages of small occupied area, compact and reasonable process arrangement, high efficiency and low cost. Specifically, the method comprises the following steps:

1. the sand making building adopts a double-machine sand making system (a grading sand making machine and a grain shape optimizing machine) to produce the machine-made sand which has continuously adjustable performance indexes such as fineness modulus, grading and the like and meets the requirements of dry powder mortar.

2. The sand preparation gradation adjustment used in the dry powder mortar station does not need probability screening grading and accumulation metering, and the production efficiency is greatly improved.

3. The cost of the dry powder mortar mixing station is greatly reduced in design, the height is reduced, the probability sieve is saved, the overall height of the dry powder mortar mixing station can be reduced by 4-6 meters (see figure 1), and the stability is improved.

4. The stone powder separated by the sand making system can be sold as a product, and can also be sent to a powder bin of a dry powder station through an air conveying system to be used as a dry powder mortar raw material.

5. By adopting the double-machine sand making, the machine-made sand with fineness modulus and grading meeting the requirements can be produced for the dry powder station, and the defect that the grading of the sand is adjusted by a probability sieve for the dry powder station is overcome.

6. Meanwhile, the sand is produced by two machines, and in the period, one machine stops production, maintains and changes the parts without influencing the production of the other machine.

7. The double-host medium-grade sand preparation machine is mainly used for adjusting grading and fineness modulus, and the grain type optimization machine is mainly used for crushing and shaping.

8. The general dry powder station uses sand to pass through a probability sieve for classification as follows: 0-0.3mm, 0.3-0.6mm, 0.6-1.18mm and 1.18-2.36mm, which are respectively arranged in 4 temporary storage bins. The different sand output and usage in each range during classification causes different stockings or residual amounts of each bin, so that the situation that some bins are full due to insufficient individual storage amount is easily caused, and great inconvenience is brought to production organization. The production line adopts the integrated design of sand making and dry powder mortar, so that the defect is overcome, the stand of the dry powder mortar is ensured to have superior performance, improved efficiency and reduced cost in design, the stone powder is effectively utilized, and the defect that the probability sieve grades the sand is overcome.

Drawings

FIG. 1 is a schematic illustration of a probability screen classification.

Fig. 2 is a schematic structural diagram of the present invention.

In the figure: 1-stone powder storage bin 2-semi-finished product bucket elevator 31-graded sand making machine 32-grain type optimization machine 4-vibrating screen 5-raw material aggregate bin 6-air separation device 7-stone powder separator 8-sand finished product bucket elevator first 9-sand finished product bucket elevator second 10-dry powder mortar finished product bucket elevator 11-dry sand storage bin 12-stirring machine 13-dry sand temporary storage bin 14-cement bin 15-fly ash bin 16-stone powder bin 17-dry powder mortar finished product bin 18-probability screen 19-sand accumulated metering 20-air supply system.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings, but it should be noted that the present invention is not limited to the following embodiments.

Referring to fig. 2, a fine sand making and dry powder mortar integrated production line comprises a sand making building and a dry powder mortar station;

the sand making building comprises a stone powder storage bin 1, a semi-finished product bucket elevator 2, a grading sand making machine 31, a grain shape optimizing machine 32, a vibrating screen 4, a raw material aggregate bin 5, a winnowing device 6, a stone powder separator 7, a sand finished product bucket elevator I8 and a dry sand storage bin 11; the graded sand making machine 31 and the grain type optimizing machine 32 are double-machine sand making, the graded sand making machine 31 is mainly used for adjusting grading and fineness modulus, and the grain type optimizing machine 32 is mainly used for crushing and shaping; the two are matched with each other to produce machine-made sand with fineness modulus and grading meeting requirements, which is used for a dry powder station, and the defect that the grading of the sand is adjusted by a probability sieve for the dry powder station is overcome.

The dry-mixed mortar station comprises a second sand finished product bucket elevator 9, a dry-mixed mortar finished product bucket elevator 10, a stirrer 12, a temporary dry sand storage bin 13, a cement bin 14, a fly ash bin 15 and a stone powder bin 16.

The raw material aggregate bin 5 is connected with a grading sand making machine 31 and a grain type optimizing machine 32, raw material aggregates are crushed by the grading sand making machine 31 and the grain type optimizing machine 32, and then enter a vibrating screen 4 through a semi-finished product bucket elevator 2 after the fineness modulus, the grading and the grain type of the aggregates are optimized and adjusted, the finished product machine-made sand with the fineness modulus, the grading, the grain type and the powder content meeting the requirements is produced after the content of the stone powder is controlled by a wind separation device 6 when the particle diameter and the grain type of the aggregates meet the requirements, the raw material for the dry powder mortar is put into a dry sand storage bin 11 through a sand finished product bucket elevator I8, and the aggregates with the overlarge particle diameter and the non-meeting the requirements return to the grading sand making machine 31 and the grain type optimizing machine 32.

The stone powder separator 7 is used for collecting stone powder with the particle size smaller than 0.075mm generated in the production process, fine sand in the stone powder separator 7 returns to finished product machine-made sand through the stone powder separator 7, the treated stone powder enters the stone powder storage bin 1, one part of the treated stone powder is used as a raw material of a dry powder mortar station, and the other part of the treated stone powder can be sold as a commodity. The stone powder storage bin 1 feeds stone powder into the stone powder bin 16 through an air supply system 20. The fine sand treated by the stone dust separator 7 is put into a dry sand storage bin 11 through a sand finished product bucket elevator I8, and then is put into a dry sand temporary storage bin 13 through a sand finished product bucket elevator II 9 for standby.

Materials of a dry sand temporary storage bin 13, a cement bin 14, a fly ash bin 15 and a stone powder bin 16 are metered and then put into a stirrer 12 for stirring, and additives are mixed into the stirrer 12 for stirring together to prepare dry powder mortar; the finished product dry-mixed mortar is bulk-packed and bagged through a pneumatic distribution valve and enters a dry-mixed mortar finished product bin 17 for storage through a dry-mixed mortar finished product bucket elevator 10. The metering of the materials comprises sand metering, powder metering and additive metering.

The conveying pipelines connected with the vibrating screen 4, the grading sand making machine 31, the grain type optimizing machine 32 and the winnowing device 6 are respectively provided with valves, materials in all grain size ranges are respectively graded according to needs and enter all equipment, storage is not needed to be additionally arranged, equipment is reduced, the floor area of a production line is reduced, and production according to needs is achieved.

The dry sand storage bin 11 is used for ensuring that a dry powder mortar station can also carry out production when the sand making line stops production. Cement and fly ash are respectively filled in the cement bin 14 and the fly ash bin 15. The sand production line adopts double-machine sand production, and the production of one machine is not influenced by the other machine in the middle of the period; the double-host medium-grade sand preparation machine 31 is mainly used for adjusting grading and fineness modulus, and the grain type optimizer 32 is mainly used for crushing and shaping.

Claims

1. A fine sand making and dry powder mortar integrated production line is characterized by comprising a sand making building and a dry powder mortar station;

2. The integrated production line of fine sand making and dry mortar according to claim 1, wherein valves are arranged on the conveying pipelines connected with the inlets of the vibrating screen, the graded sand making machine, the grain type optimizing machine and the winnowing device.